SMD Ultra Fast Recovery Rectiers US2A-HF Thru. US2M-HF Reverse Voltage: 50 to 1000 Volts Forward Current: 2 Amp RoHS Device Halogen Free Features SMA/DO-214AC - For surface mounted applications. - Low prole package. 0.177(4.50) 0.157(4.00) - Glass passivated chip junction. 0.063(1.60) - Easy to pick and place. 0.106(2.70) 0.051(1.30) 0.091(2.30) - High eciency. 0.205(5.20) Mechanical data 0.185(4.70) 0.012(0.31) 0.006(0.15) - Case: SMA 0.087(2.20) - Terminals: Solderable per MIL-STD-750, 0.075(1.90) method 2026. 0.059(1.50) 0.012(0.30) 0.035(0.90) Typ. Circuit Diagram Dimensions in inches and (millimeter) Cathode Anode Maximum Ratings and Electrical Characteristics Ratings at 25 C ambient temperature unless otherwise specied. Single phase, half wave, 60Hz resistive or inductive load, for capacitive load, derate by 20% US2A US2B US2D US2G US2J US2K US2M Symbols Parameter Units -HF -HF -HF -HF -HF -HF -HF Maximum repetitive peak reverse voltage VRRM 50 100 200 400 600 800 1000 V Maximum RMS voltage VRMS 35 70 140 280 420 560 700 V Maximum DC blocking voltage VDC 50 100 200 400 600 800 1000 V Maximum average forward rectied current IF(AV) 2 A at Tc =125C Peak forward surge current, 8.3ms single half sine-wave superimposed IFSM 50 A on rated load Max. instantaneous forward voltage at 2A VF 1.0 1.3 1.65 V Maximum DC reverse current Ta = 25C 5 A IR at rated DC blocking voltage Ta =125 C 100 Maximum reverse recovery time (Note 1) trr 50 75 ns R JA 65 Typical thermal resistance (Note 2) C/W R JC 20 Operating and storage temperature range Tj, Tstg -55 ~ +150 C Notes: 1. Measured with IF = 0.5A, IR = 1A, Irr = 0.25A. 2. P.C.B. mounted with 2.0 x 2.0 (5 x 5 cm) copper pad areas. Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JU010 Page 1 Comchip Technology CO., LTD.SMD Ultra Fast Recovery Rectiers Rating and Characteristic Curves (US2A-HF Thru. US2M-HF) Fig.1 - Forward Current Derating Curve Fig.2 - Typical Reverse Characteristics 3.0 100 2.5 TJ=125C 2.0 10 1.5 TJ=25C 1.0 1.0 0.5 Single phase half-wave 60Hz resistive or inductive load 0 0.1 0 25 50 75 100 125 150 0 20 40 60 80 100 120 140 Case Temperature, ( C) Percent of Rated Peak Reverse Voltage, (%) Fig.4 - Maximum Non-Repetitive Peak Fig.3 - Typical Forward Characteristic Forward Surge Current 10 60 TJ=25C US2A-HF~US2D-HF 50 1.0 40 US2G-HF 0.1 30 20 US2J-HF~US2M-HF 0.01 10 8.3ms single half sine wave (JEDEC Method) 0.001 0 0 0.5 1.0 1.5 2.0 2.5 1 10 100 Instantaneous Forward Voltage, (V) Number of Cycles Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JU010 Page 2 Comchip Technology CO., LTD. Instantaneous Forward Current, (A) Average Forward Current, (A) Peak Forward Surge Current, (A) Instantaneous Reverse Current, ( A)